These 2XU Endurance Tri Short boast the compressive yet breathable properties of SBR COOL fabric. Coupled with 2XUs revolutionary KINETIC SPEED fabric boasting dimpled airflow technology, optimal moisture management and speed through the air is also assured. A silicone elastic leg hem, adjustable waist drawstring and Italian long distance chamois combine to deliver an optimal fitting, long distance race short. Rear pockets for race essentials. 2XU Silicone Leg Gripper Support with anti ride silicone gel strip.